Video buffered Property - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Video


The buffered property returns a TimeRanges object, which represents the user's buffered ranges of the video.

This property is read-only.

Return Value

Type Description
TimeRanges Object Represents the buffered parts of the video.

TimeRanges Object Properties:

  • length - get the number of buffered ranges in the video
  • start(index) - get the start position of a buffered range
  • end(index) - get the end position of a buffered range

The first buffered range is index 0

The following code shows how to get the first buffered range of the video in seconds:

Demo Code

ResultView the demo in separate window

<!DOCTYPE html>

<video id="myVideo" width="320" height="240" controls>
  <source src="your.mp4" type="video/mp4">
  <source src="your.ogg" type="video/ogg">
  Your browser does not support the video tag.
</video>/*  w  w w. ja v a2s  .c  o  m*/

<button onclick="myFunction()">Test</button>

<p id="demo"></p>

function myFunction() {
    var x = document.getElementById("myVideo");
    document.getElementById("demo").innerHTML = "Start: " + x.buffered.start(0) + " End: " + x.buffered.end(0);


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